Section 2: What is a computer?
what part of your computer has a physical structure?
hardware
what main part of the keyboard includes the alphanumeric keys?
G, H
what can you record videos and take pictures on?
a wed camera
What’s a hard drive?
where your software, documents, and other files are stored
what are Ports?
ports found on desktop computers (such as USB)
Desktop computers are designed to be placed on what?
a desk
what are two main mouse types?
The optical mouse, The mechanical mouse
what is a digital camera
lets you capture pictures and videos in a digital format.
how to boost performance of your computer?
you can always add one or more cards
which is more expensive according to the text laptops or desktop computer?
laptops
what are the different types of computers? (3)
personal computer, desktop, laptop
What is a Trackball?
A trackball has a ball that can rotate freely. Instead of moving the device like a mouse, you can roll the ball with your thumb to move the pointer.
the back of a computer case has what?
connection ports
what’s a CPU/ processor?
The central processing unit (CPU), also called a processor, is located inside the computer case on the motherboard.
what can provide backup power to the laptop if the power goes out?
the battery
what is usually not considered but is a computer?
tablets
where Is the video card located?
located inside the computer case, to display images and text on the screen.
what type of input device records sound or talk, with someone else over the Internet?
Microphones
what are expansion cards?
they boost the performance of your computer or update the capabilities of an older computer
what is an AC adapter
designed to be used with that specific type of laptop.
what can move information to other computers on a network?
servers
what is a computer case, and why is it needed?
metal and plastic box that contains the main components of the computer.
what allows you to copy a physical image or document and save it to your computer as a digital?
Scanners
what’s a thin plate that holds the CPU, memory, connectors for the hard drive and optical drive?
motherboard/ main circuit board.
what lets you control the pointer by making a drawing motion with your finger.
a touchpad